SANS Stormcast Monday July 21st, 2025: Sharepoint Exploited; Veeam Fake Voicemail Phish; Passkey Phishing Attack

SharePoint Servers Exploited via 0-day CVE-2025-53770 Late last week, CodeWhite found a new remote code execution exploit against SharePoint. This vulnerability is now actively exploited. https://isc.sans.edu/diary/Critical+Sharepoint+0Day+Vulnerablity+Exploited+CVE202553770+ToolShell/32122/ Veeam Voicemail Phishing Attackers appear to impersonate VEEAM in recent voicemail-themed phishing attempts. https://isc.sans.edu/diary/Veeam%20Phishing%20via%20Wav%20File/32120 Passkey Phishing Attack A currently active phishing attack takes advantage of the ability to use QR codes to complete the Passkey login procedure https://expel.com/blog/poisonseed-downgrading-fido-key-authentications-to-fetch-user-accounts/